Respuesta :

The average pre-industrial (e.g. 1000 CE - 1750 CE) air concentration of carbon dioxide was 280 parts per million (ppm).

The concentration of a chemical substance expresses the quantity of a substance present in a mixture. there are numerous different methods to express awareness. Chemists use the time period solute to explain the substance of interest and the term solvent to explain the cloth wherein the solute is dissolved.

The concentration of the solution tells you how plenty of solutes have been dissolved within the solvent. for example, in case you upload one teaspoon to 2 cups of water, the awareness may be mentioned as 1 t salt in step with 2 c water. The vinegar label will record that the solution is 5% by means of weight acetic acid.

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